[Noisebridge-discuss] openeeg

[Meredith L. Patterson]

I dunno, reading Vlad's post, it sounds more like he'd be writing
scripts that read in time-domain data and translate that into music.
Automatic music generation is pretty interesting, and you can often get
something that even sounds like music once you find a pattern in the
original source. Think of it as "audialization" rather than "visualization".

I'd be interested to hear what different people's brains "sound" like in
various conditions. A friend is getting my husband an OpenEEG for his
birthday, so when that gets here, one of the things I want to play
around with is just mapping the serial output to a tone generator in
various ways -- linear or geometric translations to something
human-audible, operations on derivatives of the curve described by the
serial output, I dunno. It's math. Sometimes it sounds like things.

--mlp

Jonathan Foote wrote:
> Judging by some of this traffic, I think people have misconsceptions
> regarding EEGs and would do well to read up on it a bit. EEGs are not
> a "brain jack." You are not going to control anything reliably, and
> even detecting anything is hard. (Yes, you've seen the monkey move the
> robot arm video. That's not EEG: that measured specific neural regions
> using electrodes inserted through a hole in the skull.)
> 
> At best, you can measure the energy in the various bands (alpha, beta,
> etc.) with pro EEG gear and (lots of) good electrodes. How and whether
> this correlates with particular mental activities or emotions is still
> an open research question. With practice, you can likely change your
> alpha/beta ratio but it's going to take the better part of a minute if
> you can do it at all.  And noise and muscle movements (e.g. blinking)
> will give you 10x the signal of anything going on in the brain.
> 
> I don't mean to say that this isn't an excellent thing to be
> interested in or to hack on, just that it's much easier to get your
> expectations up than it is to get anything actually working -- see
> Emotiv as an example of hype vs. reality.
> 
> Art projects using the EEG like Kal's robot or the Monochrom drink
> machine are cool and fun, but they basically use EEG as a glorified
> random noise source. It would be excellent to do something better.
> 
> 
> On Tue, Mar 17, 2009 at 1:16 PM, Vlad Spears <spears at 2secondfuse.com> wrote:
>>> Al Billings wrote:
>>>> Jake has mentioned some interest in hacking openeeg. This has been
>>>> discussed here before.
>>>>
>>>> Other than him and I, who else is interested in this kind of project?
>>
>> I'd definitely like to work on an OpenEEG project.  I've considered building
>> my own several times in the past, but thought I would give Emotiv a bit more
>> time to reach the market.  My end goal would be to use the stream of data to
>> guide musical machinery in Max/MSP, Pd and bridged DAW environments using
>> OSC or MIDI.
>>
>> I bet I can make my brain sound like drum 'n' bass.
>>
>> Vlad
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